protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// setup ui
SetContentView(Resource.Layout.activity_list);
// get list view
var view = FindViewById <ListView>(Resource.Id.listView);
// get data from intent
float speed = Intent.GetFloatExtra(SPEED_KEY, 0);
float distance = Intent.GetFloatExtra(DISTANCE_KEY, 0);
float angle = Intent.GetFloatExtra(ANGLE_KEY, 0);
// create list of data
List <string> data = new List <string>();
// get length that is a percentage of distance
float increment = distance * DISTANCE_PERCENT;
float x = 0;
while (x <= distance)
{
// get elevation
float y = BallisticTools.GetElevationAtDistance(speed, x, angle);
// create string
var entry = string.Format("( {0}, {1} )", x.ToString("n0"), y.ToString("n2"));
// add to list
data.Add(entry);
// end
if (x >= distance)
{
break;
}
// next distance mark
x += increment;
// cap distance
if (x > distance)
{
x = distance;
}
}
// plug in data to list view
view.Adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleListItem1, data);
}
void NewData(object sender, TextChangedEventArgs e)
{
// get input
bool tp1 = float.TryParse(speedField.Text, out speed);
bool tp2 = float.TryParse(xField.Text, out x);
bool tp3 = float.TryParse(yField.Text, out y);
bool tp4 = float.TryParse(zeroField.Text, out zero);
// put in array
bool[] dataEntry = { tp1, tp2, tp3, tp4 };
// calculate progress
progressBar.SetProgress(0, false);
foreach (bool b in dataEntry)
{
if (b)
{
// update progress bar
progressBar.IncrementProgressBy(25);
}
}
// try to calculate
if (progressBar.Progress == 100)
{
// get launch angle
angle = BallisticTools.GetLaunchAngle(speed, x, y);
// get hold
double hold = BallisticTools.GetHold(angle, speed, x, y, zero);
// display hold
holdLabel.Text = string.Format("Hold {0} (m) Over", hold.ToString("n2"));
// get flight time
float flightTime = BallisticTools.GetFlightTime(angle, speed, x);
// display flight time
timeLabel.Text = string.Format("{0} (s) Flight Time", flightTime.ToString("n2"));
}
}
